1) it takes a baker 1/9 of an hour to make enough cookies to fill 1/4 of a large box. how long would it take him to fill the whole box? 2) a cookie recipe called for 2 1/3 cup is sugar for every 1/4 cup of flour. if you made a batch of cookies using one cup of flour, how many cups of sugar would you need?

Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.